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Special Cash Dividend - Additional Information (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended 12 Months Ended
Dec. 27, 2012
Jun. 27, 2013
Equity [Abstract]    
Special cash dividend $ 1.00 $ 1.00
Special dividend payout expected $ 10,889 $ 10,889
Dividends payable date, declared day Dec. 10, 2012  
Dividend Payable Date Dec. 28, 2012